212 °C = _____ K  a. 485  b. 435  c. 498  d. None of the above

212 °C = _____ K
 a. 485
 b. 435
 c. 498
 d. None of the above
by

1 Answer

Answer :

485
by

Related questions

212 °F = _____ °C  a. 200  b. 150  c. 100  d. None of the above

Description : 212 °F = _____ °C  a. 200  b. 150  c. 100  d. None of the above

Last Answer : 100

212 °F = _____R  a. 567  b. 672  c. 700  d. None of the above

Description : 212 °F = _____R  a. 567  b. 672  c. 700  d. None of the above

Last Answer : 672

Water boils when:  A. Its saturated vapor pressure equals to the atmospheric pressure  B. Its vapor pressure equals 76cm of mercury  C. Its temperature reaches 212 degree Celsius  D. Its vapor pressure is 1 gram per sq. cm

Description : Water boils when:  A. Its saturated vapor pressure equals to the atmospheric pressure  B. Its vapor pressure equals 76cm of mercury  C. Its temperature reaches 212 degree Celsius  D. Its vapor pressure is 1 gram per sq. cm

Last Answer : Its saturated vapor pressure equals to the atmospheric pressure

What is the formula to convert °F to °C?  a) °C = °F + 273  b) °C = 5/9 (°F - 32)  c) °C = 9/5 (°F)+32  d) None of the above

Description : What is the formula to convert °F to °C?  a) °C = °F + 273  b) °C = 5/9 (°F - 32)  c) °C = 9/5 (°F)+32  d) None of the above

Last Answer : °C = 5/9 (°F - 32)

What is the formula to convert °C to °F?  a) °F = °C + 273  b) °F = 5/9 (°C - 32)  c) °F = 9/5 (°C)+32  d) None of the above

Description : What is the formula to convert °C to °F?  a) °F = °C + 273  b) °F = 5/9 (°C - 32)  c) °F = 9/5 (°C)+32  d) None of the above

Last Answer : momentum

Utilizing the answer to the previous problem, estimate the overall or average increase in temperature ( ΔT) of the concrete roof from the energy absorbed from the sun during a12hour day. Assume that all of the radiation absorbed goes into heating the roof. The specific heat of concrete is about 900 J/kg, and the density is about 2,300 kg/m3 .  a. 7.9 °C  b. 8.9°C  c. 9.9°C  d. 10.9°C formula: ΔQ = m c ΔT

Description : Utilizing the answer to the previous problem, estimate the overall or average increase in temperature ( ΔT) of the concrete roof from the energy absorbed from the sun during a12hour day. Assume that all of the radiation absorbed goes into ... °C  b. 8.9°C  c. 9.9°C  d. 10.9°C formula: ΔQ = m c ΔT

Last Answer : 7.9 °C

710°R= ______ °C  a. 214  b. 121  c. 213  d. None of the above

Description : 710°R= ______ °C  a. 214  b. 121  c. 213  d. None of the above

Last Answer : 121

What is the SI unit of specific heat capacity?  A. J/kg  B. J/kg °F ∙  C. J/kg °C ∙  D. J/°C

Description : What is the SI unit of specific heat capacity?  A. J/kg  B. J/kg °F ∙  C. J/kg °C ∙  D. J/°C

Last Answer : J/kg °C

What is the specific heat capacity of water in J/kg °C? ∙  A. 4581  B. 4185  C. 4518  D. 4815

Description : What is the specific heat capacity of water in J/kg °C? ∙  A. 4581  B. 4185  C. 4518  D. 4815

Last Answer : 4185

The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Description : The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______.  A. Calorie  B. Joule  C. BTU  D. Kilocalorie

Last Answer : Kilocalorie

The unit’of universal gas constant is  (a) watts/°K  (b) dynes/°C  (c) ergscm/°K  (d)erg/°K  (e) none of the above.

Description : The unit’of universal gas constant is  (a) watts/°K  (b) dynes/°C  (c) ergscm/°K  (d)erg/°K  (e) none of the above.

Last Answer : Answer : d

A cylinder contains oxygen at a pressure of 10 atm and a temperature of 300 K. The volume of the cylinder is 10 liters. What is the mass of the oxygen in grams? Molecular weight (MW) of oxygen is 32 g/mole?  a. 125.02  b. 130.08  c. 135.05  d. 120.04

Description : A cylinder contains oxygen at a pressure of 10 atm and a temperature of 300 K. The volume of the cylinder is 10 liters. What is the mass of the oxygen in grams? Molecular weight (MW) of oxygen is 32 g/mole?  a. 125.02  b. 130.08  c. 135.05  d. 120.04

Last Answer : 130.08 {(10atm)(10)(32)/(0.0821) (300K)}

A 0.064 kg of octane vapor (MW = 114) is mixed with0.91 kg of air (MW = 29.0) in the manifold of an Engine. The total pressure in the manifold is 86.1 kPa, and a temperature is 290 K. assume octane behaves ideally. What is the partial pressure of the air in the mixture in KPa?  a. 46.8  b. 48.6  c. 84.6  d. 64.8

Description : A 0.064 kg of octane vapor (MW = 114) is mixed with0.91 kg of air (MW = 29.0) in the manifold of an Engine. The total pressure in the manifold is 86.1 kPa, and a temperature is 290 K. assume octane behaves ideally. What is ... of the air in the mixture in KPa?  a. 46.8  b. 48.6  c. 84.6  d. 64.8

Last Answer : 84.6

Specific heat capacity in SI unit.  a. kJ / kg.k  b. kJ / kg  c. kN / kg  d. None of the above

Description : Specific heat capacity in SI unit.  a. kJ / kg.k  b. kJ / kg  c. kN / kg  d. None of the above

Last Answer : kJ / kg.k

The gas constant is equal to  a. Cp – Cv  b. Cp + Cv  c. Cp – Cv + k  d. None of the above

Description : The gas constant is equal to  a. Cp – Cv  b. Cp + Cv  c. Cp – Cv + k  d. None of the above

Last Answer : Cp – Cv

A perfect gas has a value of R= 319.2 J/ kf.K and k= 1.26. If 120 kJ are added to 2.27 kf\g of this gas at constant pressure when the initial temp is 32.2°C? Find T2.  a. 339.4 K  b. 449.4 K  c. 559.4K  d. 669.4K formula: cp = kR/ k-1 Q= mcp(T2-T1)

Description : A perfect gas has a value of R= 319.2 J/ kf.K and k= 1.26. If 120 kJ are added to 2.27 kf\g of this gas at constant pressure when the initial temp is 32.2°C? Find T2.  a. 339.4 K  b. 449.4 K  c. 559.4K  d. 669.4K formula: cp = kR/ k-1 Q= mcp(T2-T1)

Last Answer : 339.4 K

Two masses, one of the 10kg and the other unknown, are placed on a scale in a region where g = 9.67 m/sec2 . The combined weight of these two masses is 174.06 N. Find the unknown mass in kg.  a. 20 kg  b. 19 kg  c. 18 kg  d. 17 kg formula: m=Fg k / g

Description : Two masses, one of the 10kg and the other unknown, are placed on a scale in a region where g = 9.67 m/sec2 . The combined weight of these two masses is 174.06 N. Find the unknown mass in kg.  a. 20 kg  b. 19 kg  c. 18 kg  d. 17 kg formula: m=Fg k / g

Last Answer : 18 kg

A car whose mass is 2 metric tons is accelerated uniformly from stand hill to 100 kmph in 5 sec. Find the driving force in Newton’s.  a. 11,120 N  b. 11,320 N  c. 11,420 N  d. 11520 N formula: F= ma / k

Description : A car whose mass is 2 metric tons is accelerated uniformly from stand hill to 100 kmph in 5 sec. Find the driving force in Newton’s.  a. 11,120 N  b. 11,320 N  c. 11,420 N  d. 11520 N formula: F= ma / k

Last Answer : 11,120N

For a certain gas R = 320 J/kg.K and cv= 0.84kJ/kg.K. Find k?  a. 1.36  b. 1.37  c. 1.38  d. 1.39 formula: k= R / cv+1

Description : For a certain gas R = 320 J/kg.K and cv= 0.84kJ/kg.K. Find k?  a. 1.36  b. 1.37  c. 1.38  d. 1.39 formula: k= R / cv+1

Last Answer : 1.38

The combined mass of car and passengers travelling at 72 km/hr is 1500 kg. Find the kinetic energy of this combined mass. (Formula: K =mv2 / 2k )  a. 300 kJ  b. 200 kJ  c. 500 kJ  d. None of the above

Description : The combined mass of car and passengers travelling at 72 km/hr is 1500 kg. Find the kinetic energy of this combined mass. (Formula: K =mv2 / 2k )  a. 300 kJ  b. 200 kJ  c. 500 kJ  d. None of the above

Last Answer : 300 kJ

In the above problem, find the potential energy of the mass with respect to datum. (Formula: P = mgz/k )  a. 4875 j  b. 0.51 j  c. 0.46 j  d. None of the above

Description : In the above problem, find the potential energy of the mass with respect to datum. (Formula: P = mgz/k )  a. 4875 j  b. 0.51 j  c. 0.46 j  d. None of the above

Last Answer : 4875 j

A mass of 5kg is 100m above a given datum where local g = 9.75 m/s2 . Find the gravitational force in newtons. (Formula: Fg= mg/k )  a. 48.75 N  b. 50 N  c. 45 N  d. None of the above

Description : A mass of 5kg is 100m above a given datum where local g = 9.75 m/s2 . Find the gravitational force in newtons. (Formula: Fg= mg/k )  a. 48.75 N  b. 50 N  c. 45 N  d. None of the above

Last Answer : 48.75 N

There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and there are also added 105.5 kJ of heat. Determine t2. (Formula: T2= T1p2/ p1)  a. 999 K  b. 888 K  c. 456 K  d. One of the above

Description : There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and ... (Formula: T2= T1p2/ p1)  a. 999 K  b. 888 K  c. 456 K  d. One of the above

Last Answer : 999 K

A 30-m vertical column of fluid (density 1878 kg/m3 ) is located where g= 9.65 mps2 . Find the pressure at the base of the column. (Formula: pg= gρhg/k )  a. 543680 N/m2  b. 543.68 kPa (gauge)  c. Both a & b  d. None of the above

Description : A 30-m vertical column of fluid (density 1878 kg/m3 ) is located where g= 9.65 mps2 . Find the pressure at the base of the column. (Formula: pg= gρhg/k )  a. 543680 N/m2  b. 543.68 kPa (gauge)  c. Both a & b  d. None of the above

Last Answer : Both a & b

What is the specific weight of water at standard condition? (Formula: γ = ρg / k)  a. 1000 kgm/m3  b. 9.8066 m/s2  c. 1000 kgf/m3  d. None of the above

Description : What is the specific weight of water at standard condition? (Formula: γ = ρg / k)  a. 1000 kgm/m3  b. 9.8066 m/s2  c. 1000 kgf/m3  d. None of the above

Last Answer : 1000 kgf/m3

What is the weight of a66-kgm man at standard condition? (Formula: Fg= mg / k)  a. 66 kgf  b. 66 kgm  c. 66 lbm  d. 66 gf

Description : What is the weight of a66-kgm man at standard condition? (Formula: Fg= mg / k)  a. 66 kgf  b. 66 kgm  c. 66 lbm  d. 66 gf

Last Answer : 66 kgf

Refer to problem # 11. Determine the force that accelerates if to 12 m/s^2. horizontally along frictionless plane.  A. 2474.23 N  B. 2574.23 N  C. 3474.23 N  D. 2374.23 N Formula : M = wk / g F = ma /k

Description : Refer to problem # 11. Determine the force that accelerates if to 12 m/s^2. horizontally along frictionless plane.  A. 2474.23 N  B. 2574.23 N  C. 3474.23 N  D. 2374.23 N Formula : M = wk / g F = ma /k

Last Answer : 2474.23 N

A system weighing 2kN. Determine the force that accelerate if to 12 m/s^2. a. vertically upward when g = 9.7 m/s^2  A. 4474.23 N  B.5484.23 N  C.4495.23 N  D.5488.23 N Formula: F = m/k (a +g)

Description : A system weighing 2kN. Determine the force that accelerate if to 12 m/s^2. a. vertically upward when g = 9.7 m/s^2  A. 4474.23 N  B.5484.23 N  C.4495.23 N  D.5488.23 N Formula: F = m/k (a +g)

Last Answer : 4474.23 N

Water (specific heat cv= 4.2 kJ/ kg ∙ K ) is being heated by a 1500 W h eater. What is the rate of change in temperature of 1kg of the water?  A. 0.043 K/s  B. 0.179 K/s  C. 0.357 K/s  D. 1.50 K/s Formula: Q = mcv ( T)

Description : Water (specific heat cv= 4.2 kJ/ kg ∙ K ) is being heated by a 1500 W h eater. What is the rate of change in temperature of 1kg of the water?  A. 0.043 K/s  B. 0.179 K/s  C. 0.357 K/s  D. 1.50 K/s Formula: Q = mcv ( T)

Last Answer : 0.179 K/s

Twenty grams of ice at 0˚C melts to water at 0˚C. How much does the entropy of the 20g change in this process?  a. 30.5 J/K  b. 24.6 J/K  c. 21.3 J/K  d. 15.7 J/K

Description : Twenty grams of ice at 0˚C melts to water at 0˚C. How much does the entropy of the 20g change in this process?  a. 30.5 J/K  b. 24.6 J/K  c. 21.3 J/K  d. 15.7 J/K

Last Answer : 24.6 J/K

Liquid hydrogen boils at 17 K. What is the temperature in degrees Celsius?  a. 290  b. 63  c. -120  d. -256

Description : Liquid hydrogen boils at 17 K. What is the temperature in degrees Celsius?  a. 290  b. 63  c. -120  d. -256

Last Answer : -256

Convert the change of temperature from 20˚C to 30˚C to Kelvin scale.  a. 10 K  b. 293 K  c. 303 K  d. 273 K

Description : Convert the change of temperature from 20˚C to 30˚C to Kelvin scale.  a. 10 K  b. 293 K  c. 303 K  d. 273 K

Last Answer : 10 K

Which of the following is the Ideal gas law (equation)?  A. V/T = K  B. V= k*(1/P)  C. P1/T1 = P2/T2  D. PV = nRT

Description : Which of the following is the Ideal gas law (equation)?  A. V/T = K  B. V= k*(1/P)  C. P1/T1 = P2/T2  D. PV = nRT

Last Answer : PV = nRT

What is the value of the universal gas constant in kJ/kmol K? ∙  A. 10.73  B. 1.986  C. 8.314  D. 1545

Description : What is the value of the universal gas constant in kJ/kmol K? ∙  A. 10.73  B. 1.986  C. 8.314  D. 1545

Last Answer : 8.314

The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is  (a) 29.27 kgfm/mol°K  (b) 8314kgfm/mol°K  (c) 848kgfm/mol°K  (d) 427kgfm/mol°K  (e) 735 kgfm/mol°K.

Description : The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is  (a) 29.27 kgfm/mol°K  (b) 8314kgfm/mol°K  (c) 848kgfm/mol°K  (d) 427kgfm/mol°K  (e) 735 kgfm/mol°K.

Last Answer : Answer : c

_____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Description : _____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Last Answer : Entrophy

14.696 psia = _____ mmHg  a. 760  b. 1  c. 350  d. None of the above

Description : 14.696 psia = _____ mmHg  a. 760  b. 1  c. 350  d. None of the above

Last Answer : 1

876 °R = _____ °F  a. 335  b. 416  c. 400  d. None of the above

Description : 876 °R = _____ °F  a. 335  b. 416  c. 400  d. None of the above

Last Answer : 416

An adiabatic process in which there is no change in system enthalpy but for which there is a significant decrease in pressure is called _____.  A. Isochoric process  B. Isobaric process  C. Throttling process  D. Quasistatic process

Description : An adiabatic process in which there is no change in system enthalpy but for which there is a significant decrease in pressure is called _____.  A. Isochoric process  B. Isobaric process  C. Throttling process  D. Quasistatic process

Last Answer : Throttling process

An ideal gas whose specific heats are constant is called _____.  A. Perfect gas  B. Natural gas  C. Artificial gas  D. Refined gas

Description : An ideal gas whose specific heats are constant is called _____.  A. Perfect gas  B. Natural gas  C. Artificial gas  D. Refined gas

Last Answer : Perfect gas

A device that violates the first law of thermodynamics is called a _____.  A. Perpetual-motion machine of the first kind  B. Universal machine of the first kind  C. Ambiguous machine of the first kind  D. Unique machine of the first kind

Description : A device that violates the first law of thermodynamics is called a _____.  A. Perpetual-motion machine of the first kind  B. Universal machine of the first kind  C. Ambiguous machine of the first kind  D. Unique machine of the first kind

Last Answer : Perpetual-motion machine of the first kind

A device that violates either the first law of thermodynamics or the second law of thermodynamics is known as _____.  A. Ambiguous machine  B. Universal machine  C. Perpetual-motion machine  D. Unique machine

Description : A device that violates either the first law of thermodynamics or the second law of thermodynamics is known as _____.  A. Ambiguous machine  B. Universal machine  C. Perpetual-motion machine  D. Unique machine

Last Answer : Perpetual-motion machine

Thermal radiation is an electromagnetic radiation with wavelengths in _____ range.  A. 1 to 100 µm  B. 0.1 to 100 µm  C. 0.1 to 10 µm  D. 10 to 100 µm

Description : Thermal radiation is an electromagnetic radiation with wavelengths in _____ range.  A. 1 to 100 µm  B. 0.1 to 100 µm  C. 0.1 to 10 µm  D. 10 to 100 µm

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A vapor that is not about to condense is called _____ vapor.  A. Saturated  B. Compressed or subcooled  C. Superheated  D. Unsaturated

Description : A vapor that is not about to condense is called _____ vapor.  A. Saturated  B. Compressed or subcooled  C. Superheated  D. Unsaturated

Last Answer : Superheated

One joule is equivalent to one _____.  A. Kg m/ s^2 ∙  B. Kg m^2/s^2 ∙  C. Kg m^2/s ∙  D. Kg m/s

Description : One joule is equivalent to one _____.  A. Kg m/ s^2 ∙  B. Kg m^2/s^2 ∙  C. Kg m^2/s ∙  D. Kg m/s

Last Answer : Kg m^2/s^2

The difference between the absolute pressure and the atmospheric pressure is called the _____ pressure.  A. Gage  B. Normal  C. Standard  D. Vacuum

Description : The difference between the absolute pressure and the atmospheric pressure is called the _____ pressure.  A. Gage  B. Normal  C. Standard  D. Vacuum

Last Answer : Gage

The sum of all the microscopic form of energy is called _____.  A. Total energy  B. Internal energy  C. System energy  D. Phase energy

Description : The sum of all the microscopic form of energy is called _____.  A. Total energy  B. Internal energy  C. System energy  D. Phase energy

Last Answer : Internal energy

Without electrical, mechanical, gravitational, surface tension and motion effects, a system is called _____ system.  A. Simple  B. Simple compressible  C. Compressible  D. Independent

Description : Without electrical, mechanical, gravitational, surface tension and motion effects, a system is called _____ system.  A. Simple  B. Simple compressible  C. Compressible  D. Independent

Last Answer : Simple compressible

Extensive properties per unit mass are called _____.  A. Specific properties  B. Relative properties  C. Unit properties  D. Phase properties

Description : Extensive properties per unit mass are called _____.  A. Specific properties  B. Relative properties  C. Unit properties  D. Phase properties

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The thermodynamic properties that are dependent on the size or extent of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Description : The thermodynamic properties that are dependent on the size or extent of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

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